NumberResearchRecent prefix assignments
369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 315-479 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-480 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SYRACUSE | NY | |
| 315-481 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYRACUSE | NY | |
| 315-482 | VERIZON NEW YORK, INC. | 9104 | ALEXNDRIBY | NY | |
| 315-483 | VERIZON NEW YORK, INC. | 9104 | SODUS | NY | |
| 315-484 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-485 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-486 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WATERTOWN | NY | |
| 315-487 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-488 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-489 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | WATERTOWN | NY | |
| 315-490 | AMERICAN MESSAGING SERVICES, LLC | 9748 | SYRACUSE | NY | |
| 315-492 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-493 | VERIZON NEW YORK, INC. | 9104 | CARTHAGE | NY | |
| 315-495 | WINDSTREAM NEW YORK, INC. - FULTON | 0106 | MUNNSVILLE | NY | |
| 315-496 | VERIZON NEW YORK, INC. | 9104 | SEMPRONIUS | NY | |
| 315-497 | VERIZON NEW YORK, INC. | 9104 | MORAVIA | NY | |
| 315-498 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-499 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-501 | TWC IP ENABLED SERVICES, LLC | 793K | CAPEVINCNT | NY | |
| 315-502 | BANDWIDTH.COM CLEC, LLC - NY | 997E | PALMYRA | NY | |
| 315-505 | PAETEC ITEL, LLC | 829J | CICERO | NY | |
| 315-506 | PAETEC ITEL, LLC | 829J | LIVERPOOL | NY | |
| 315-508 | TC SYSTEMS, INC. - NY | 7140 | LITTLE FLS | NY | |
| 315-509 | TWC IP ENABLED SERVICES, LLC | 793K | PULASKI | NY | |
| 315-510 | PAETEC ITEL, LLC | 829J | CHITTENNGO | NY | |
| 315-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 315-512 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | HARRISVL | NY | |
| 315-513 | TWC IP ENABLED SERVICES, LLC | 793K | LYONSFALLS | NY | |
| 315-517 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | ALEXNDRIBY | NY | |
| 315-521 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | GENEVA | NY | |
| 315-522 | NORTHLAND NETWORKS, LTD. - NY | 7556 | GOUVERNEUR | NY | |
| 315-523 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | WATERTOWN | NY | |
| 315-524 | VERIZON NEW YORK, INC. | 9104 | ONTARIO | NY | |
| 315-525 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | UTICA | NY | |
| 315-527 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | UTICA | NY | |
| 315-528 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MADRID | NY | |
| 315-529 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | OSWEGO | NY | |
| 315-531 | VERIZON NEW YORK, INC. | 9104 | PENN YAN | NY | |
| 315-532 | PAETEC ITEL, LLC | 829J | OSWEGO | NY | |
| 315-533 | PAETEC ITEL, LLC | 829J | ROME | NY | |
| 315-534 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | UTICA | NY | |
| 315-535 | TC SYSTEMS, INC. - NY | 7140 | GOUVERNEUR | NY | |
| 315-536 | VERIZON NEW YORK, INC. | 9104 | PENN YAN | NY | |
| 315-537 | TC SYSTEMS, INC. - NY | 7140 | HARRISVL | NY | |
| 315-538 | PAETEC ITEL, LLC | 829J | MACEDON | NY | |
| 315-539 | VERIZON NEW YORK, INC. | 9104 | WATERLOO | NY | |
| 315-540 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYRACUSE | NY | |
| 315-541 | TC SYSTEMS, INC. - NY | 7140 | OGDENSBURG | NY | |
| 315-542 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | UTICA | NY |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.